Used Protein Skimmer for sale
EuroReef RS135 with 500 GPH Sedra pump.
4 years old. Was on a 240 Gallon reef tank
What can I say? It's a EuroReef and works well.

(From the EuroReef site)
* Rated for aquarium systems of +/- 135 gallons with a medium bioload
* Compares to other skimmers rated from 250 to 500 gallons
* Space required for skimmer in filter/ sump: 10" x 11" ~ 7.25" x 13.25" ~ 9.5" x 12" (Variable)
* Overall Height: 24"
* Reaction chamber diameter: 6 "
* Reaction chamber volume: 1.65 gallons
* Inlet size: .75 "
* Outlet size: 40mm
* Ideal operating water depth: 6.5"
* Max operating water depth: 11 "
* Pump (included): SP3- Euro-Reef modified SEDRA KSP-5000A0 water pump
* Pump power consumption: 40 Watts @ 115/120 VAC 60hz
* Air intake: 660-720 lph**
* Water flow through rate under specified operating conditions: 250 gph
$160
Thanks